Aptiva 2138-SL A System Board

Aptiva 2138-SL A - System Board Connector and Functions

See > DMA / IRQ Assignments

System Board Jumper Settings - (D) = Factory setting

 Jumper/Settings       Function
 --------------------------------------------------
 JP1                 | Video IRQ (IRQ9) setting
     1-2             |   Disabled
     2-3             |   Enabled
 --------------------|-----------------------------
 SW1-switch 1        | Password security
     On              |   Bypass password
     Off D           |   Check  password
 --------------------|-----------------------------
 SW1-switch 2        | BIOS logo shown during POST
     On  D           |   With IBM logo
     Off             |   Without IBM logo
 --------------------|-----------------------------
 SW1-switch 3,4,5,6  | Core/bus frequency rate
     On, On, On, On  |   2
     On, Off,Off,On  |   3.5
     Off,On, On, On  |   4
     Off,On, Off,On  |   4.5
     Off,Off,On, On  |   5

System Board Connectors and Functions

Connector	Function	Connected to..
CN1	Standby power connector	Power supply
CN3	Universal Serial Bus (USB) connector	USB device
CN4	Standby power connector	Power supply
CN5	Upper: Printer port (25-pin female) Lower: Serial port 1 (9-pin male) --"--: Video port (15-pin female)	Printer Serial device Monitor
CN7	ATI media connector (AMC)	Reserved
CN8	Secondary IDE connector	Hard disk drive
CN9	Primary IDE connector	Hard disk drive
CN10	Upper: MIDI connector Lower: Mic-in/Line-in/Line-out connectors	Joystick Speaker, microphone
CN13	Modem/Line-in connector	Modem card
CN14	Wake-up on LAN connector	LAN card
CN15	CD audio input connector	CD-ROM drive
CN16	Software shutdown connector	Power switch
CN17	Modem wakeup on ring connector	Modem card
CN18	CS4610 adapter feature connector	Reserved
CN19	Diskette drive connector	Diskette drive
CN20	Serial port 2 connector	Serial device
CN21	IDE LED connector Connect the red wire to pin-1, white wire to pin-2, the leave pin-3, -4 as non-connected, or connect the red wire to pin-4, white wire to pin-3, then leave pin-1, -2 as non-connected.	Hard drive LED
CN24	Power LED connector Connect the green wire to pin-1, white wire to pin-2.	Power LED
FN1	Processor heat-sink fan connector	Processor fan